Home / 17,765,999.70-26,641,223.55-8,178,191.70

Finding the Fourth Proportional to 17,765,999.70, 26,641,223.55 and 8,178,191.70

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Solution

The fourth proportional to 17,765,999.70, 26,641,223.55 and 8,178,191.70 is: 12,263,708.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,765,999.70 : 26,641,223.55 = 8,178,191.70 : x
  2. Step 2: Convert to fraction form
    17,765,999.70/26,641,223.55 = 8,178,191.70/x
  3. Step 3: Cross multiply
    17,765,999.70x = 26,641,223.55 × 8,178,191.70
  4. Step 4: Simplify right side
    17,765,999.70x = 217,877,033,314,454.53
  5. Step 5: Solve for x
    x = 217,877,033,314,454.53/17,765,999.70
  6. Step 6: Final answer
    x = 12,263,708.04

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.